xmrig/src/core/ConfigWatcher.cpp

107 lines
2.8 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2018 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2016-2018 XMRig <https://github.com/xmrig>, <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include "core/ConfigCreator.h"
#include "core/ConfigLoader.h"
#include "core/ConfigWatcher.h"
#include "interfaces/IWatcherListener.h"
#include "log/Log.h"
xmrig::ConfigWatcher::ConfigWatcher(const char *path, IConfigCreator *creator, IWatcherListener *listener) :
m_path(strdup(path)),
m_creator(creator),
m_listener(listener)
{
uv_fs_event_init(uv_default_loop(), &m_fsEvent);
uv_timer_init(uv_default_loop(), &m_timer);
m_fsEvent.data = m_timer.data = this;
start();
}
xmrig::ConfigWatcher::~ConfigWatcher()
{
uv_timer_stop(&m_timer);
uv_fs_event_stop(&m_fsEvent);
free(m_path);
}
void xmrig::ConfigWatcher::onTimer(uv_timer_t* handle)
{
static_cast<xmrig::ConfigWatcher *>(handle->data)->reload();
}
void xmrig::ConfigWatcher::onFsEvent(uv_fs_event_t* handle, const char *filename, int events, int status)
{
if (!filename) {
return;
}
static_cast<xmrig::ConfigWatcher *>(handle->data)->queueUpdate();
}
void xmrig::ConfigWatcher::queueUpdate()
{
uv_timer_stop(&m_timer);
uv_timer_start(&m_timer, xmrig::ConfigWatcher::onTimer, kDelay, 0);
}
void xmrig::ConfigWatcher::reload()
{
LOG_WARN("\"%s\" was changed, reloading configuration", m_path);
IConfig *config = m_creator->create();
ConfigLoader::loadFromFile(config, m_path);
if (!config->isValid()) {
LOG_ERR("reloading failed");
delete config;
return;
}
m_listener->onNewConfig(config);
# ifndef _WIN32
uv_fs_event_stop(&m_fsEvent);
start();
# endif
}
void xmrig::ConfigWatcher::start()
{
uv_fs_event_start(&m_fsEvent, xmrig::ConfigWatcher::onFsEvent, m_path, 0);
}